Problems(1)
The graph shows the constant rate at which Suzanna rides her bike. If she rides a total of a half an hour at the same speed, how many miles would she have ridden?
[asy]
size(200);
import graph; /* this is a label */
Label f;
f.p=fontsize(0);
xaxis(-0.9,20,Ticks(f, 5.0, 5.0));
yaxis(-0.9,20, Ticks(f, 22.0,5.0)); //
real f(real x)
{
return x;
}
draw(graph(f,-1,22),black+linewidth(1));
label("1", (-1,5), black);
label("2", (-1, 10), black);
label("3", (-1, 15), black);
label("4", (-1, 20), black);
dot((5,5), black+linewidth(5));
dot((10,10), black+linewidth(5));
dot((15, 15), black+linewidth(5));
dot((20,20), black+linewidth(5));
label("MINUTES", (11,-5), S);
label(rotate(90)*"MILES", (-5,11), W);[/asy]
<spanclass=′latex−bold′>(A)</span>5<spanclass=′latex−bold′>(B)</span>5.5<spanclass=′latex−bold′>(C)</span>6<spanclass=′latex−bold′>(D)</span>6.5<spanclass=′latex−bold′>(E)</span>7